歩行評価のための床反力連続計測装置

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タイトル別名
  • A Device for Continuous Measurement of Vertical Foot Forces during Walking
  • ホコウ ヒョウカ ノ タメ ノ ショウハンリョク レンゾク ケイソク ソウチ

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A knowledge of foot-to-ground forces during walking will greatly facilitate objective assessment of lower extremity defects in orthopedic and rehabilitation clinics. A portable device has been developed which continuously and unrestrictively measures the vertical component of foot forces.<BR>The device consists of force transducers, an amplifier-transmitter unit, and a receiver processing unit. Newly designed force transducers are attached to the sole of a sports shoe at both the metatarsal part and the heel. The transducers are relatively thin (6 mm) and light (65 g) that they little interfere with the patient's customary walking style. The signals detected by the transducers are amplified, FM telemetered, and finally summed up to give the total force acting on each foot. The demensions and weight of the amplifier-transmitter unit worn by the patient are105 × 80 × 23 mm and 180 g.<BR>The performance of the device was tested by comparing its output with that of a conventional force plate. The device was found to be accurate enough for the intended usage.

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